<template>
    <div class="login_container">
    <div class="login_box">
        <!--头像区域-->
        <div class="avatar_box">
            <img src="../assets/logo.png">
        </div>
        <!--登录表单-->
      
           <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" class="login_form">
                 <!--登录-->
               <el-form-item prop="username">
                   <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
               </el-form-item>
                   <!--密码-->
                <el-form-item prop="password">
                   <el-input type="password" v-model="loginForm.password" prefix-icon="iconfont icon-3702mima"></el-input>
               </el-form-item>
                <!--按钮-->
                <el-form-item class="btns">
                   <el-button type="primary" @click="login">登录</el-button>
                   <el-button type="info" @click="resetLoginForm">重置</el-button>
               </el-form-item>
           </el-form> 
        
    </div>
    </div>
</template>

<script>
export default {
    data(){
        return{
            //登录表单数据对象
            loginForm:{
                username:'',
                password:''
            },
            //表单验证规则对象
            loginFormRules:{
                username:[
                    {required:true,message:"请输入账号",trigger:"blur"},
                    {min:3,max:10,message:"长度在3到10字符",trigger:"blur"}
                ],
                password:[
                    {required:true,message:"请输入密码",trigger:"blur"} ,
                    {min:6,max:15,message:"长度在6到15字符",trigger:"blur"}                   
                ]

            }
        }
    },
    methods:{
        resetLoginForm(){
           // console.log(this);
           this.$refs.loginFormRef.resetFields();
        },
        login(){
            this.$refs.loginFormRef.validate(async valid=>{
                    //console.log(valid);
                    if(!valid) return;
                   const {data:res}=await this.$http.post('login',this.loginForm);
                   console.log(res);
                   if(res.meta.status!==200) return this.$message.error('登录失败');
                   this.$message.success('登录成功');
                    console.log(res);
                    window.sessionStorage.setItem('token',res.data.token);
                    this.$router.push('/home');
            });
        }

    }
}
</script>

<style lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height:100%;
}
.login_box{
    height: 300px;
    width:450px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left:50%;
    top:50%;
    transform: translate(-50%,-50%);
}
.avatar_box{
    height:130px;
    width:130px;
    border:1px solid #eee;
    box-shadow: 0 0 10px #ddd;
    border-radius: 50%;
    padding:10px;
    position:absolute;
    left:50%;
    transform: translate(-50%,-50%);/**百分比根据avatar_box的高度来 */
    background-color: #fff;
    img{
        width:100%;
        height:100%;
        border-radius: 50%;
        background-color: #eee;
    }
    
}
.login_form{
    position:absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing:border-box;
}
.btns{
    display: flex;
    justify-content: flex-end;
}
</style>